Home / 16,675.23-23,012.18-9,121.84

Finding the Fourth Proportional to 16,675.23, 23,012.18 and 9,121.84

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Solution

The fourth proportional to 16,675.23, 23,012.18 and 9,121.84 is: 12,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.23 : 23,012.18 = 9,121.84 : x
  2. Step 2: Convert to fraction form
    16,675.23/23,012.18 = 9,121.84/x
  3. Step 3: Cross multiply
    16,675.23x = 23,012.18 × 9,121.84
  4. Step 4: Simplify right side
    16,675.23x = 209,913,424.01
  5. Step 5: Solve for x
    x = 209,913,424.01/16,675.23
  6. Step 6: Final answer
    x = 12,588.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.